CN202001097U - Efficient gasoline engine - Google Patents
Efficient gasoline engine Download PDFInfo
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- CN202001097U CN202001097U CN2011200665558U CN201120066555U CN202001097U CN 202001097 U CN202001097 U CN 202001097U CN 2011200665558 U CN2011200665558 U CN 2011200665558U CN 201120066555 U CN201120066555 U CN 201120066555U CN 202001097 U CN202001097 U CN 202001097U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model discloses an efficient gasoline engine, which comprises a combustion chamber with a small area, an inclined air valve and a nose bridge area cooling channel which is arranged between an inlet valve and an exhaust valve, and adopts a structure that a connection line of an inlet valve axis and an exhaust valve axis is intersected with a connection line of an inlet push rod axis and an exhaust push rod. The structure facilitates the mixing of combustion gas, air-intake resistance and exhaust resistance are reduced, and temperature of a nose bridge area is quickly lowered, thereby facilitating combustion and improving power of the gasoline engine. A triangle area which occupies small arranging area is formed, accordingly inlet quality and exhaust quality of an air cylinder are guaranteed, power of the engine is improved and emission is reduced. HC+NOX discharged by the efficient gasoline engine reaches and even exceeds standards of American environmental protection agency (EPA). Taking a gasoline engine which has a maximum power of 3.0 kilowatts (kW) (rotating speed 3600 revolutions per minute) as an example, the power of the gasoline engine can be improved to 3.8 kW, and the emission of the gasoline engine can be lowered to 7.8 grams per kilowatt.hour. Taking a gasoline engine which has a maximum power of 3.5 kW as an example, the power of the gasoline engine can be improved to 4.3 kW, the emission of the gasoline engine can be lowered to 7.9 grams per kilowatt.hour from 9.0 grams per kilowatt.hour, accordingly the standards of 10 grams per kilowatt.hour of an EPA 3 are all met.
Description
Technical field
The present invention relates to a kind of dynamic power machine, particularly a kind of petrol engine.
Background technique
Petrol engine is a kind of dynamic power machine that uses gasoline for the fuel.Partly form by cylinder, connecting rod, gas distribution system, oil supply system, lubrication system and ignition system etc.; Cylinder head is provided with gas-entered passageway and exhaust passage, and forms the firing chamber face jointly with cylinder, thereby, belong to the parts of petrol engine outbalance.Gasoline act as a fuel with AIR MIXTURES in the firing chamber internal combustion, produce a large amount of heats, be used for as driving energy.The parameter of firing chamber is the necessary condition that guarantees the efficient operation of petrol engine; Simultaneously, the continuous operation of firing chamber needs the cooperation of air inlet system and exhaust system, if intake and exhaust resistance big or occur being not closed completely, inaccurate and problem that action has some setbacks, then can influence the normal operation of petrol engine.
The heat that produces in the firing chamber inevitably affects the mechanical property of cylinder head, particularly for the regional area around intake valve and the exhaust valve, if can not in time dispel the heat, then can cause this zone that thermal distortion takes place, influence the sealing of intake valve and exhaust valve, thereby influence normal air inlet and exhaust, cause petrol engine working state variation, reduce power power and influence discharging; For solving heat dissipation problem, the cooling measure of cylinder head generally adopts at outer surface and is provided with radiating fin in the prior art, and the heat in the firing chamber conducts to radiating fin by cylinder head, utilizes cross-ventilation to take away heat, reaches the purpose of heat radiation.Because it is far away from the cylinder head surface to be positioned at the bridge of the nose offset of firing chamber face formation between the inlet and exhaust valve, radiating fin can not in time be taken away most of heat, behind the petrol engine long-play, the above-mentioned thermal distortion of mentioning can take place, and influences petrol engine power and discharging.
The gas distribution system of petrol engine also is the necessary parts that guarantee the normal operation of petrol engine, and the opening and closing of intake valve and exhaust valve are controlled respectively by driving components such as rocker arm assemblies; Described intake valve and exhaust valve are respectively equipped with the Rocker arm assembly that drives its switching; Intake valve and exhaust valve be used to open, close with the firing chamber in air-breathing, work by combustion and exhaust phase adapt to, keep the normal operation of petrol engine.In the prior art, the rectangular arrangement of rocking arm and valve, just arranged side by side and approaching parallel rocking arm, intake and exhaust channel and valve adapt, and the certain spacing that need stagger influences the intake and exhaust quality; This shows that existing valve is arranged and not only occupied bigger space, and can not adapt the power of reduction petrol engine, and influence discharging with the intake and exhaust direction of gas-entered passageway and exhaust passage; Particularly for the structure of inclined valve, further increase takes up room, and has influence on the layout of other parts (as Carburetor/parts such as empty filter).
Therefore, need improve, have the chamber structure of littler surface to volume ratio, good cooling results existing high-efficiency gasoline machine, reduce intake and exhaust resistance, inlet and exhaust valve has the better seal effect, and is beneficial to the layout of other parts, improve the operational efficiency of petrol engine, fuel saving reduces discharging.
Summary of the invention
In view of this, the invention provides a kind of high-efficiency gasoline machine, have the chamber structure of littler surface to volume ratio, good cooling results, reduce intake and exhaust resistance, inlet and exhaust valve has the better seal effect, and is beneficial to the layout of other parts, improve the operational efficiency of petrol engine, fuel saving reduces discharging.
High-efficiency gasoline machine of the present invention, comprise cylinder body, cylinder head body and be arranged at the gas-entered passageway and the exhaust passage of cylinder head body, the corresponding intake valve that is provided with gas-entered passageway on the described cylinder head body, the corresponding exhaust valve that is provided with the exhaust passage, the intake valve correspondence is provided with intake rocker and inlet push rod, the exhaust valve correspondence is provided with exhaust rocker arm and exhaust push rod, the inboard firing chamber face that forms of cylinder head body, and described firing chamber face is the arch face structure that spheric structure or smooth surface constitute;
Described firing chamber face forms bridge of the nose district between intake valve and exhaust valve, be positioned at the air-cooled passage that the outside, bridge of the nose district is provided with perforation on the cylinder head body;
The line of the line of described intake valve axis and exhaust valve axis and inlet push rod axis and exhaust push rod axis intersects between inlet push rod axis and the exhaust push rod axis;
Described intake valve top is oblique to the gas-entered passageway inclination, and the exhaust valve top is oblique to the exhaust passage inclination; Described air-cooled passage is between intake valve and exhaust valve.
Further, described firing chamber face is the arch face structure, seamlessly transit from bottom to top successively by at least three smooth surfaces and to form, described smooth surface is parabola or hyperboloid, can better eliminate the abundant mixing that existing one spherical structure is unfavorable for combustion gas, reduce composite rate, the drawback of influence burning and discharging, because surface blending is beneficial to the mixing of combustion gas, the air-flow that enters can be subjected to the resistance of different direction, makes fuel mixture can better form turbulent flow, it is more abundant to burn, effectively reduce fuel consumption rate, be beneficial to burning and reduce discharging, increase petrol engine power.
Further, is provided with rib shape heat radiation bridge with this body by integral forming of cylinder head in the described air-cooled passage, described rib shape heat radiation bridge longitudinally is arranged in the air-cooled passage and perpendicular to the mounting plane of cylinder head body; The heat radiation bridge construction is beneficial to after opening the air-cooled passage of big cross section under the bigger situation of the intensity, particularly width that guarantee cylinder head, improves the non-deformability of cylinder head; Simultaneously, thermal radiation and conduction surface when the heat radiation bridge has increased heat radiation further are beneficial to heat radiation.
Further, perpendicular to the tangent plane of firing chamber face and its crosspoint, the intake and exhaust direction of intake valve and exhaust valve and firing chamber adapts, and reduces resistance respectively for described intake valve axis and exhaust valve axis, increases the power character of petrol engine.
Further, the seat ring inner end of the seat ring inner end of intake valve and exhaust valve and firing chamber face conformal; Suitable shape promptly adapts to shape, the end surface shape of the seat ring inner end of valve and the seat ring inner end of exhaust valve and firing chamber face shape adapt, eliminate step, reduce interference to air inlet and exhaust, reduce resistance, eliminate the sudden change of dead angle and shape, guarantee the abundant burning of mixed gas, improve petrol engine efficient.
Further, the line of the line of described intake valve axis and exhaust valve axis and inlet push rod axis and exhaust push rod axis intersects between inlet push rod axis and the exhaust push rod axis and angle is 90 ° ± 20 °; This structure makes the layout area of valve form triangle, occupy less arrangement areas, be convenient to the layout of other parts, do not change the layout of existing push rod, particularly for vertical shaft petrol engine, can realize the inclined valve structure of lower arranging cam axle, the angle between inlet and exhaust valve and the intake and exhaust air flue is littler than existing structure firing chamber face, is convenient to roll stream and intake swirl in the air inlet of cylinder inner tissue, improve intake efficiency, increase flow perturbation in the cylinder, accelerate burning, improve petrol engine power; Reduce the resistance of intake and exhaust, make intake and exhaust more smooth and easy, be beneficial to and improve petrol engine power, reduce fuel consume, reduce exhaust emissions, have bigger angle, preferable structure is 90 °, make and realize standardization easily, make the valve zone as possible, reduce occupation area for the equilateral triangle structure, the line of intake valve axis and exhaust valve axis is between inlet push rod and exhaust push rod, be convenient to arrange gas-entered passageway, realize that the resistance of air inlet, exhaust minimizes, improve gasoline engine performance; Be convenient to arrange Carburetor/parts such as empty filter, reduce reforming cost.
Further, described petrol engine is the vertical shaft structure, the line level of described intake valve axis and exhaust valve axis, the airintake direction of gas-entered passageway and the discharge directions of exhaust passage all are positioned at horizontal plane, intake valve top along continuous straight runs is oblique to the gas-entered passageway inclination, and exhaust valve top along continuous straight runs is oblique to the exhaust passage inclination; Substantially horizontal air inlet and exhaust avoid air inlet and exhaust to stagger mutually, are more conducive to the smooth and easy of intake and exhaust and the cylinder head air flue is arranged more regular, and are beneficial to air-flow and enter cylinder, form and roll stream, accelerate burning, raising petrol engine working efficiency.
Further, described gas-entered passageway between inlet push rod and exhaust push rod, the length that is shorter in length than exhaust rocker arm of intake rocker; The resistance arm of described exhaust rocker arm line to intake valve axis and exhaust valve axis in vertical plane tilts; This structure adopts inclined valve need not change the layout of original push rod, and the resistance arm of exhaust rocker arm slopes inwardly and can be adapted to be the inlet and exhaust valve of horizontal arrangement; And resistance arm tilts, and makes exhaust push rod drive exhaust rocker arm and does not produce additional moment, guarantees its flexibility.
Further, the angle between described intake valve axis and the exhaust valve axis guarantees to have enough angles of inclination smaller or equal to 30 °, guarantee the smooth and easy of air inlet and exhaust, simultaneously, also guarantee to have enough width between bridge of the nose district and the inlet and exhaust valve, have better cooling effect.
Further, described intake rocker is arranged at the intake rocker seat by the intake rocker axle, and exhaust rocker arm is arranged at the exhaust rocker arm seat by the exhaust rocker arm axle; Described inlet valve rocker axis and exhaust valve rocker arm axis are 45 ° ± 20 ° angle at vertical plane; Be adapted to the demand that rocking arm is arranged, avoid push rod driving rocking arm to produce additional moment, be beneficial to and guarantee that rocking arm drives the harmony of valve event, sealing and driving flexibly; Can come the reasonable Arrangement rocking arm according to the position of inlet and exhaust valve, be more conducive to guarantee valve timing, guarantee port timing, thereby improve performance and reduce discharging.
Beneficial effect of the present invention: high-efficiency gasoline machine of the present invention, adopt surface to volume ratio less firing chamber, inclined valve, be positioned at the line and the crossing structure of the line of inlet push rod axis and exhaust push rod axis that cooling channel, bridge of the nose district are set between inlet and exhaust valve and adopt intake valve axis and exhaust valve axis, improve the petrol engine working efficiency, and eliminate the abundant mixing that existing one spherical structure is unfavorable for combustion gas, reduce composite rate, the drawback of influence burning and discharging; And because surface blending is beneficial to the mixing of combustion gas, increase the squish zone, the air-flow that enters can be subjected to the resistance of different direction, make fuel mixture can better form turbulent flow, it is more abundant to burn, and effectively reduces fuel consumption rate, be beneficial to burning and reduce discharging, increase petrol engine power; Adopt inclined valve, be adapted to chamber structure and be convenient to roll stream and intake swirl, improve intake efficiency, increase flow perturbation in the cylinder, accelerate burning, improve petrol engine power in the air inlet of cylinder inner tissue; And reduce the resistance of intake and exhaust, make intake and exhaust more smooth and easy, be beneficial to and improve petrol engine power, reduce fuel consume, reduce exhaust emissions, simultaneously, inclined valve can make the bridge of the nose district in the middle of the intake and exhaust channel wideer, is beneficial to cooling, increase non-deformability, improve the cooling effect in bridge of the nose district greatly, reduced cylinder head distortion at high temperature, improved reliability; Complete unimpeded air-cooled passage, and, the cooling channel cross section is increased owing to adopt inclined valve, improved the cooling effect in bridge of the nose district greatly, reduced cylinder head distortion at high temperature, improved the reliability of valve sealing; And cooling duct connects from the top down, with the wind direction that the vertical shaft petrol engine cooling air blows from the top down, does not need extra wind-guiding setting, has better cooling effect; Adopt the crossing structure of line of line and the inlet push rod axis and the exhaust push rod axis of intake valve axis and exhaust valve axis, form delta-shaped region, occupy less arrangement areas, be convenient to the layout of other parts, do not change the layout of existing push rod, intake and exhaust channel can be provided with according to the intake and exhaust needs, guarantees cylinder intake and exhaust quality, reduce exhaust resistance, improve engine power and reduce discharging; The HC+NOx of the present invention discharging meets or exceeds the U.S. EPA standard, is example with the petrol engine of peak output (rotating speed 3600rpm) 3.0kW, and power can be brought up to 3.8kW, and discharging is reduced to 7.8g/kW.h by 9.0g/kW.h; Is example with peak output by the petrol engine of 3.5kW, and power can have been brought up to 4.3kW, and discharging is reduced to 7.9g/kW.h by 9.0g/kW.h, all satisfies the standard of EPA3 stage 10g/kW.h; This shows that petrol engine power raising of the present invention and discharging reduce comparatively obvious, are beneficial to the protection environment.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described.
Fig. 1 is a structural representation of the present invention;
Fig. 2 be Fig. 1 along A-A to sectional view.
Embodiment
Fig. 1 is a structural representation of the present invention, Fig. 2 be Fig. 1 along A-A to sectional view, as shown in the figure: the high-efficiency gasoline machine of present embodiment, comprise cylinder body (not identifying among the figure), cylinder head body 1 and the gas-entered passageway 12 and the exhaust passage 11 that are arranged at cylinder head body 1, on the described cylinder head body 1 with the gas-entered passageway 12 corresponding intake valves 5 that are provided with, with the exhaust passage 11 corresponding exhaust valves 9 that are provided with, intake valve 5 correspondences are provided with intake rocker 8 and inlet push rod (not identifying among the figure), exhaust valve 9 correspondences are provided with exhaust rocker arm 2 and exhaust push rod (not identifying among the figure), the cylinder head body 1 inboard firing chamber face 13 that forms, described firing chamber face 13 is the arch face structure that spheric structure or smooth surface constitute;
Described firing chamber face 13 forms bridge of the nose district 14 between intake valve 5 and exhaust valve 9, be positioned at the air-cooled path 10 that 14 outsides, bridge of the nose district are provided with perforation on the cylinder head body 1;
The line of described intake valve 5 axis and exhaust valve 9 axis and the line of inlet push rod axis and exhaust push rod axis intersect between inlet push rod axis and the exhaust push rod axis; Because inlet push rod withstands on intake rocker and the exhaust rocker arm with exhaust push rod is all vertical, thereby the point of contact of intake rocker and exhaust rocker arm and inlet push rod and exhaust push rod can reflect the axial location of inlet push rod and exhaust push rod; The angle of the line of the line of intake rocker 8 and exhaust rocker arm 2 and the point of contact of inlet push rod and exhaust push rod and intake valve 5 axis and exhaust valve 9 axis among the figure is the angle of the line of the line of intake valve 5 axis and exhaust valve 9 axis and inlet push rod axis and exhaust push rod axis;
Described intake valve 5 tops are oblique to gas-entered passageway 12 inclinations, and exhaust valve 9 tops are oblique to exhaust passage 11 inclinations; Described air-cooled path 10 is between intake valve 5 and exhaust valve 9.
In the present embodiment, described firing chamber face 13 is the arch face structure, seamlessly transit from bottom to top successively by at least three smooth surfaces and to form, described smooth surface is parabola or hyperboloid, present embodiment adopts three smooth surfaces (being respectively parabolic a, hyperboloid b and parabolic c), smooth surface can make up for other modes of parabola, hyperboloid etc., forms the firing chamber of arch face structure jointly; Can better eliminate the abundant mixing that existing one spherical structure is unfavorable for combustion gas, reduce composite rate, the drawback of influence burning and discharging, because surface blending is beneficial to the mixing of combustion gas, the air-flow that enters can be subjected to the resistance of different direction, makes fuel mixture can better form turbulent flow, it is more abundant to burn, effectively reduce fuel consumption rate, be beneficial to burning and reduce discharging, increase petrol engine power.
In the present embodiment, with the cylinder head body 1 one-body molded rib shape heat radiation bridge 10a that is provided with, described rib shape heat radiation bridge 10a longitudinally is arranged in the air-cooled passage and perpendicular to the mounting plane of cylinder head body 1 in the described air-cooled path 10; The heat radiation bridge construction is beneficial to after opening the air-cooled passage of big cross section under the bigger situation of the intensity, particularly width that guarantee cylinder head, improves the non-deformability of cylinder head; Simultaneously, thermal radiation and conduction surface when the heat radiation bridge has increased heat radiation further are beneficial to heat radiation.
In the present embodiment, described intake valve 5 axis and exhaust valve 9 axis are respectively perpendicular to the tangent plane of firing chamber face 13 with its crosspoint, and intake valve 5 and exhaust valve 9 adapt with the intake and exhaust direction of firing chamber, reduce resistance, increase the power character of petrol engine.
In the present embodiment, the seat ring 5a inner end of intake valve 5 and the seat ring 9a inner end of exhaust valve 9 and firing chamber face conformal; Suitable shape promptly adapts to shape, the end surface shape of the seat ring inner end of intake valve and the seat ring inner end of exhaust valve and firing chamber face shape adapt, eliminate step, reduce interference to air inlet and exhaust, reduce resistance, eliminate the sudden change of dead angle and shape, guarantee the abundant burning of mixed gas, improve petrol engine efficient.
In the present embodiment, between the line of described intake valve 5 axis and exhaust valve 9 axis and the line of inlet push rod axis and exhaust push rod axis intersect between inlet push rod axis and the exhaust push rod axis and angle α be 90 ° ± 20 °; This structure makes the layout area of valve form triangle, occupy less arrangement areas, be convenient to the layout of other parts, do not change the layout of existing push rod, particularly for vertical shaft petrol engine, can realize the inclined valve structure of lower arranging cam axle, the angle between inlet and exhaust valve and the intake and exhaust air flue is littler than existing structure firing chamber face, is convenient to roll stream and intake swirl in the air inlet of cylinder inner tissue, improve intake efficiency, increase flow perturbation in the cylinder, accelerate burning, improve petrol engine power; Reduce the resistance of intake and exhaust, make intake and exhaust more smooth and easy, be beneficial to and improve petrol engine power, reduce fuel consume, reduce exhaust emissions, have bigger angle, preferable structure is 90 °, make and realize standardization easily, make the valve zone as possible, reduce occupation area for the equilateral triangle structure, the line of intake valve axis and exhaust valve axis is between inlet push rod and exhaust push rod, be convenient to arrange gas-entered passageway, realize that the resistance of air inlet, exhaust minimizes, improve gasoline engine performance; Be convenient to arrange Carburetor/parts such as empty filter, reduce reforming cost.
In the present embodiment, described petrol engine is the vertical shaft structure, the line level of described intake valve 5 axis and exhaust valve 9 axis, the discharge directions of the airintake direction of gas-entered passageway 12 and exhaust passage 11 all is positioned at horizontal plane, intake valve 5 top along continuous straight runs are oblique to gas-entered passageway 12 inclinations, and exhaust valve 9 top along continuous straight runs are oblique to exhaust passage 11 inclinations; Substantially horizontal air inlet and exhaust avoid air inlet and exhaust to stagger mutually, are more conducive to the smooth and easy of intake and exhaust and the cylinder head air flue is arranged more regular, and are beneficial to air-flow and enter cylinder, form and roll stream, accelerate burning, raising petrol engine working efficiency.
In the present embodiment, described gas-entered passageway 12 between inlet push rod and exhaust push rod, the length that is shorter in length than exhaust rocker arm 2 of intake rocker 8; The resistance arm of described exhaust rocker arm 2 line to intake valve 5 axis and exhaust valve 9 axis in vertical plane tilts; Because (intake valve or exhaust valve) rocking arm is lever construction, be fulcrum with the pitman arm shaft, the part that is used to drive valve is a resistance arm, the part that cooperates with push rod is a power arm; This structure of the resistance arm of exhaust rocker arm 2 adopts inclined valve need not change the layout of original push rod, and the resistance arm of exhaust rocker arm slopes inwardly and can be adapted to be the inlet and exhaust valve of horizontal arrangement; And resistance arm tilts, and makes exhaust push rod drive exhaust rocker arm and does not produce additional moment, guarantees its flexibility.
In the present embodiment, angle β between described intake valve 5 axis and exhaust valve 9 axis is smaller or equal to 30 °, in the present embodiment be 30 °, assurance has enough angles of inclination, guarantee the smooth and easy of air inlet and exhaust, simultaneously, also guarantee to have enough width with bridge of the nose district between the inlet and exhaust valve, have better cooling effect.
In the present embodiment, described intake rocker is arranged at the intake rocker seat by the intake rocker axle, and exhaust rocker arm is arranged at the exhaust rocker arm seat by the exhaust rocker arm axle; Described inlet valve rocker axle 7 axis and exhaust valve rocker arm axle 3 axis are 45 ° ± 20 ° angle δ at vertical plane, adopt 45 ° in the present embodiment; Be adapted to the demand that rocking arm is arranged, avoid push rod driving rocking arm to produce additional moment, be beneficial to and guarantee that rocking arm drives the harmony of valve event, sealing and driving flexibly; Can come the reasonable Arrangement rocking arm according to the position of inlet and exhaust valve, be more conducive to guarantee valve timing, guarantee port timing, thereby improve performance and reduce discharging.
Explanation is at last, above embodiment is only unrestricted in order to technological scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technological scheme of the present invention, and not breaking away from the aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (10)
1. high-efficiency gasoline machine, comprise cylinder body, cylinder head body and be arranged at the gas-entered passageway and the exhaust passage of cylinder head body, the corresponding intake valve that is provided with gas-entered passageway on the described cylinder head body, the corresponding exhaust valve that is provided with the exhaust passage, the intake valve correspondence is provided with intake rocker and inlet push rod, the exhaust valve correspondence is provided with exhaust rocker arm and exhaust push rod, the inboard firing chamber face that forms of cylinder head body, and it is characterized in that: described firing chamber face is the arch face structure that spheric structure or smooth surface constitute;
Described firing chamber face forms bridge of the nose district between intake valve and exhaust valve, be positioned at the air-cooled passage that the outside, bridge of the nose district is provided with perforation on the cylinder head body;
The line of the line of described intake valve axis and exhaust valve axis and inlet push rod axis and exhaust push rod axis intersects between inlet push rod axis and the exhaust push rod axis;
Described intake valve top is oblique to the gas-entered passageway inclination, and the exhaust valve top is oblique to the exhaust passage inclination; Described air-cooled passage is between intake valve and exhaust valve.
2. high-efficiency gasoline machine according to claim 1 is characterized in that: described firing chamber face is the arch face structure, is seamlessly transitted from bottom to top successively by at least three smooth surfaces and forms, and described smooth surface is parabola or hyperboloid.
3. high-efficiency gasoline machine according to claim 2 is characterized in that: is provided with rib shape heat radiation bridge with this body by integral forming of cylinder head in the described air-cooled passage, described rib shape heat radiation bridge longitudinally is arranged in the air-cooled passage and perpendicular to the mounting plane of cylinder head body.
4. high-efficiency gasoline machine according to claim 3 is characterized in that: described intake valve axis and exhaust valve axis are respectively perpendicular to the tangent plane of firing chamber face and its crosspoint.
5. high-efficiency gasoline machine according to claim 4 is characterized in that: the seat ring inner end of intake valve and the seat ring inner end of exhaust valve and firing chamber face conformal.
6. high-efficiency gasoline machine according to claim 5 is characterized in that: the line of the line of described intake valve axis and exhaust valve axis and inlet push rod axis and exhaust push rod axis intersects between inlet push rod axis and the exhaust push rod axis and angle is 90 ° ± 20 °.
7. high-efficiency gasoline machine according to claim 6, it is characterized in that: described petrol engine is the vertical shaft structure, the line level of described intake valve axis and exhaust valve axis, the airintake direction of gas-entered passageway and the discharge directions of exhaust passage all are positioned at horizontal plane, intake valve top along continuous straight runs is oblique to the gas-entered passageway inclination, and exhaust valve top along continuous straight runs is oblique to the exhaust passage inclination.
8. high-efficiency gasoline machine according to claim 7 is characterized in that: described gas-entered passageway between inlet push rod and exhaust push rod, the length that is shorter in length than exhaust rocker arm of intake rocker; The resistance arm of described exhaust rocker arm line to intake valve axis and exhaust valve axis in vertical plane tilts.
9. high-efficiency gasoline machine according to claim 8 is characterized in that: the angle between described intake valve axis and the exhaust valve axis is smaller or equal to 30 °.
10. high-efficiency gasoline machine according to claim 9 is characterized in that: described intake rocker is arranged at the intake rocker seat by the intake rocker axle, and exhaust rocker arm is arranged at the exhaust rocker arm seat by the exhaust rocker arm axle; Described inlet valve rocker axis and exhaust valve rocker arm axis are 45 ° ± 20 ° angle at vertical plane.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200665558U CN202001097U (en) | 2011-03-14 | 2011-03-14 | Efficient gasoline engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200665558U CN202001097U (en) | 2011-03-14 | 2011-03-14 | Efficient gasoline engine |
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| CN202001097U true CN202001097U (en) | 2011-10-05 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012122819A1 (en) * | 2011-03-14 | 2012-09-20 | 隆鑫通用动力股份有限公司 | Air-cooled universal cylinder head for vertical-shaft gasoline engine and gasoline engine having same |
| WO2012122820A1 (en) * | 2011-03-14 | 2012-09-20 | 隆鑫通用动力股份有限公司 | Vertical-shaft gasoline engine cylinder head assembly and gasoline engine having same |
| WO2012122838A1 (en) * | 2011-03-14 | 2012-09-20 | 隆鑫通用动力股份有限公司 | Universal gasoline engine |
| WO2012122846A1 (en) * | 2011-03-14 | 2012-09-20 | 隆鑫通用动力股份有限公司 | Gasoline engine inclined valve cylinder head and gasoline engine therewith |
| WO2013078747A1 (en) * | 2011-12-01 | 2013-06-06 | 隆鑫通用动力股份有限公司 | Small general gasoline engine cylinder head and gasoline engine thereof |
| US8991355B2 (en) | 2011-12-01 | 2015-03-31 | Loncin Motor Co., Ltd. | Cylinder head of small-sized general-purpose gasoline engine and gasoline engine having the same |
-
2011
- 2011-03-14 CN CN2011200665558U patent/CN202001097U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012122819A1 (en) * | 2011-03-14 | 2012-09-20 | 隆鑫通用动力股份有限公司 | Air-cooled universal cylinder head for vertical-shaft gasoline engine and gasoline engine having same |
| WO2012122820A1 (en) * | 2011-03-14 | 2012-09-20 | 隆鑫通用动力股份有限公司 | Vertical-shaft gasoline engine cylinder head assembly and gasoline engine having same |
| WO2012122838A1 (en) * | 2011-03-14 | 2012-09-20 | 隆鑫通用动力股份有限公司 | Universal gasoline engine |
| WO2012122846A1 (en) * | 2011-03-14 | 2012-09-20 | 隆鑫通用动力股份有限公司 | Gasoline engine inclined valve cylinder head and gasoline engine therewith |
| US8733332B2 (en) | 2011-03-14 | 2014-05-27 | Loncin Motor Co., Ltd. | General gasoline engine |
| WO2013078747A1 (en) * | 2011-12-01 | 2013-06-06 | 隆鑫通用动力股份有限公司 | Small general gasoline engine cylinder head and gasoline engine thereof |
| US8991355B2 (en) | 2011-12-01 | 2015-03-31 | Loncin Motor Co., Ltd. | Cylinder head of small-sized general-purpose gasoline engine and gasoline engine having the same |
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